CN204386802U - A kind of wind generating unit - Google Patents
A kind of wind generating unit Download PDFInfo
- Publication number
- CN204386802U CN204386802U CN201420617054.8U CN201420617054U CN204386802U CN 204386802 U CN204386802 U CN 204386802U CN 201420617054 U CN201420617054 U CN 201420617054U CN 204386802 U CN204386802 U CN 204386802U
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- China
- Prior art keywords
- empennage
- screw
- fan blade
- lower casing
- wind
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a kind of wind generating unit, this device comprises gravity pendency empennage 1, control circuit board retaining screw 2, empennage stationary axle 3, body stitching screw 4, body upper casing 5, body front cover 6, body front cover retaining screw 7, fan blade set screw nut 8, wind impeller boss 9, wind impeller boss set screw nut 10, fan blade 11, fan blade retaining screw 12, cowling 13, motor 14, body lower casing 15, control circuit board 16, solid of rotation 17, motor fixing screw 18.This device adopts all aluminium alloy die casting to form, and comprises the motor 14 of device inside and the aluminum alloy heat radiation waterproof case of device outside.This device adopts gravity pendency empennage 1, make to turn to more flexible, sensitiveer aligning wind direction, in high wind, by control circuit, torsion is increased to motor 14, empennage is gone off course automatically, thus off-load is carried out to fan blade, avoid high wind and damage is caused to this device, and this apparatus design is light, installs simple, reduce manufacture and installation cost.
Description
Technical field
The present invention relates to a kind of wind generating unit, belong to field of mechanical technique.
Background technique
Under current climatic environment, fossil fuel resource and energy demand constantly increase and cause Abnormal Phenomena on Climate constantly to occur, and increasing country notices the destruction of environment to terrestrial ecosystem.Therefore, be more and more subject to people as the wind energy of renewable energy sources and solar energy and pay attention to and favor, and wind-power electricity generation more be it is believed that it is the cost effect the most significantly energy and increased popularity in renewable energy sources.At present, the large-scale wind driven generator of countries in the world is mainly by government subsidy policy, and it is larger by Investment Influence, main cause is: current wind-driven generator requires high to installation environment, investment and cost of transportation larger, when taking a lot of work very much etc., its directly affect popularizes and popularization.And for large-scale wind driven generator, small-sized wind power generator has advantages such as conveniently installing, maintenance cost is cheap, pay attention to and favor for being more and more subject to people.
According to statistics, the horizontal axis wind-driven generator of current less than 10 kilowatts, mostly adopts welding iron or stainless steel to connect empennage, the casing of its motor adopts cast iron or glass steel material, but whole generator can be very heavy, and need a lot of people or specialized team just can complete installation.And the present invention can solve problem above well.
Summary of the invention
The object of the invention is to provide a kind of wind generating unit, and this device adopts all aluminium alloy die casting to form, and comprises the motor of device inside and the aluminum alloy heat radiation waterproof case of device outside.This device adopts gravity pendency empennage, make to turn to more flexible, sensitiveer aligning wind direction, in high wind, by control circuit, torsion is increased to motor, empennage is gone off course automatically, thus off-load is carried out to fan blade, avoid high wind and damage is caused to this device, and this apparatus design is light, installs simple, reduce manufacture and installation cost.
The present invention solves the technological scheme that its technical problem takes: a kind of wind generating unit, and this device comprises gravity pendency empennage 1, control circuit board retaining screw 2, empennage stationary axle 3, body sew up screw 4, body upper casing 5, body front cover 6, body front cover retaining screw 7, fan blade set screw nut 8, wind impeller boss 9, wind impeller boss set screw nut 10, fan blade 11, fan blade retaining screw 12, cowling 13, motor 14, body lower casing 15, control circuit board 16, solid of rotation 17, motor fixing screw 18.Gravity pendency empennage 1 comprises body upper casing 5 and body lower casing 15, and gravity pendency empennage 1 is connected by empennage stationary axle 3.Empennage stationary axle 3 is through the middle open-work at body upper casing 5 rear portion, then the mounting hole of the empennage 1 that dangles through gravity, and the middle empennage mounting hole at empennage stationary axle 3 and body lower casing 15 rear portion is all provided with screw thread, tightens empennage stationary axle 3.Control circuit board retaining screw 2 is through three, circuit board installation position open-work, and above body lower casing 15 radiating fin, three tapped holes are fixed.Gravity pendency empennage 1 is fixed by empennage stationary axle 3 with body upper casing 5, body lower casing 15.Body sews up the open-work of screw 4 through the left and right sides, body upper casing 5 rear portion, is fixed on the left and right sides, body lower casing 15 rear portion tapped hole, and tightens.Body upper casing 5 and body lower casing 15 are respectively equipped with sealing bayonet socket, body upper casing 5 in its natural state and body lower casing 15 fastening, and closed.Body front cover 6 is fixed on the front-end position of body upper casing 5 and body lower casing 15.Body upper casing 5 and body lower casing 15 are provided with waterstop port.Body front cover retaining screw 7 is fixed on the front position of body front cover 6.Four retaining screws of body front cover retaining screw 7 are separately fixed at the upper cover front end fixed screw holes of body upper casing 5 and the front end fixed screw holes of body lower casing 15, and tighten.Fan blade set screw nut 8 is arranged on after wind impeller boss 9, and fan blade installs the installation of screw 12 one_to_one corresponding.After wind impeller boss 9 and fan blade 11 install, motor 14 front end axle, through wind impeller boss 9 center hole, is fixedly connected with by wind impeller boss set screw nut 10.Turn clockwise wind impeller boss 9, and motor 14 front end axle and wind impeller boss 9 are tightened.Fan blade 11 by the mounting hole of fan blade retaining screw 12 through fan blade 11 root, then is connected with the fan blade set screw nut 8 after wind impeller boss 9 through wind impeller boss 9, and tightens.Fan blade installs screw 12 through fan blade 11 root mounting hole, then through wind impeller boss 9, is connected, and tightens with the fan blade set screw nut 8 after wind impeller boss 9.Cowling 13 inside is provided with draw-in groove, and and the cylindrical formation buckle structure of wind impeller boss 9.Motor 14, by motor fixing screw 18, through motor 14 both sides mounting hole site, is fixed on four motors in the middle of body lower casing 15 and installs in tapped hole, and tighten.Body lower casing 15, body upper casing 5, body front cover 6 are screwed stitching.Control circuit board 16 is fixedly connected with three screw holes on body lower casing 15 radiating fin top by control circuit board retaining screw 2.Be provided with bearing in circular hole below body lower casing 15, after passback body 17 upper cylindrical position penetrates body lower casing 15 inner bearing, the cylindrical tip of solid of rotation 17 is provided with jump ring circlip groove, loads onto jump ring back-up ring at the jump-ring slot of solid of rotation 17, realizes fixing.Motor 14 is fixedly connected with body lower casing 15 by the motor fixing screw 18 of four M8 × 40mm.
Beneficial effect:
1, the present invention all adopts aluminium alloy compression casting shaping material to make, and its radiating effect is relatively good.
2, the gravity pendency tail fin design of the present invention's optimization, can guarantee can not damage this device in strong wind or heavy rain, improve the Security that this device uses.
3, the present invention can guarantee this wind generator device normal power generation Effec-tive Function.
4, heat dissipation design of the present invention, significantly reduces the operating temperature of body, improves Security.
5, the present invention can make wind generating unit miniaturization more, is designed by structurally waterproof, and gravity pendency empennage, can aim at wind direction neatly.
Accompanying drawing explanation
Fig. 1 is the stereoscopic-state figure of wind generating unit of the present invention.
Fig. 2 is structural representation of the present invention.
Identifier declaration: 1-gravity pendency empennage; 2-control circuit board retaining screw; 3-empennage stationary axle; 4-body sews up screw; 5-body upper casing; 6-body front cover; 7-body front cover retaining screw; 8-fan blade set screw nut; 9-wind impeller boss; 10-wind impeller boss set screw nut; 11-fan blade; 12-fan blade retaining screw; 13-cowling; 14-motor; 15-body lower casing; 16-control circuit board; 17-solid of rotation; 18-motor fixing screw.
Fig. 3 is the structural representation that body of the present invention sews up design.
Identifier declaration: 1-body upper casing; 2-body lower casing; 3-body front cover; 4-body sews up screw; 5-control circuit board.
Fig. 4 is the structural representation of body waterproofing design of the present invention.
Fig. 5 is the view of gravity empennage of the present invention.
Fig. 6 is the view of control circuit board of the present invention.
Identifier declaration: 16-control circuit board.
Fig. 7 is the control circuit principle schematic of control circuit board of the present invention.
Embodiment
Below in conjunction with Figure of description, the invention is described in further detail.
Embodiment one
As shown in Fig. 1-Fig. 7, the invention provides a kind of wind generating unit, this device comprises gravity pendency empennage 1, control circuit board retaining screw 2, empennage stationary axle 3, body stitching screw 4, body upper casing 5, body front cover 6, body front cover retaining screw 7, fan blade set screw nut 8, wind impeller boss 9, wind impeller boss set screw nut 10, fan blade 11, fan blade retaining screw 12, cowling 13, motor 14, body lower casing 15, control circuit board 16, solid of rotation 17, motor fixing screw 18.Gravity pendency empennage 1 comprises body upper casing 5 and body lower casing 15, and gravity pendency empennage 1 is connected by empennage stationary axle 3.Empennage stationary axle 3 is through the middle open-work at body upper casing 5 rear portion, then the mounting hole of the empennage 1 that dangles through gravity, and the middle empennage mounting hole at empennage stationary axle 3 and body lower casing 15 rear portion is all provided with screw thread, tightens empennage stationary axle 3.Control circuit board retaining screw 2 is through three, circuit board installation position open-work, and above body lower casing 15 radiating fin, three tapped holes are fixed.Gravity pendency empennage 1 is fixed by empennage stationary axle 3 with body upper casing 5, body lower casing 15.Body sews up the open-work of screw 4 through the left and right sides, body upper casing 5 rear portion, is fixed on the left and right sides, body lower casing 15 rear portion tapped hole, and tightens.Body upper casing 5 and body lower casing 15 are respectively equipped with sealing bayonet socket, body upper casing 5 in its natural state and body lower casing 15 fastening, and closed.Body front cover 6 is fixed on the front-end position of body upper casing 5 and body lower casing 15.Body upper casing 5 and body lower casing 15 are provided with circular waterstop port.Body front cover retaining screw 7 is fixed on the front position of body front cover 6.Four retaining screws of body front cover retaining screw 7 are separately fixed at the upper cover front end fixed screw holes of body upper casing 5 and the front end fixed screw holes of body lower casing 15, and tighten.Fan blade set screw nut 8 is arranged on after wind impeller boss 9, and fan blade installs the installation of screw 12 one_to_one corresponding.After wind impeller boss 9 and fan blade 11 install, motor 14 front end axle, through wind impeller boss 9 center hole, is fixedly connected with by wind impeller boss set screw nut 10.Turn clockwise wind impeller boss 9, and motor 14 front end axle and wind impeller boss 9 are tightened.Fan blade 11 by the mounting hole of fan blade retaining screw 12 through fan blade 11 root, then is connected with the fan blade set screw nut 8 after wind impeller boss 9 through wind impeller boss 9, and tightens.Fan blade installs screw 12 through fan blade 11 root mounting hole, then through wind impeller boss 9, is connected, and tightens with the fan blade set screw nut 8 after wind impeller boss 9.Cowling 13 inside is provided with draw-in groove, and and the cylindrical formation buckle structure of wind impeller boss 9.Motor 14, by motor fixing screw 18, through motor 14 both sides mounting hole site, is fixed on four motors in the middle of body lower casing 15 and installs in tapped hole, and tighten.Body lower casing 15, body upper casing 5, body front cover 6 are screwed stitching.Control circuit board 16 is fixedly connected with three screw holes on body lower casing 15 radiating fin top by control circuit board retaining screw 2.Be provided with bearing in circular hole below body lower casing 15, after passback body 17 upper cylindrical position penetrates body lower casing 15 inner bearing, the cylindrical tip of solid of rotation 17 is provided with jump ring circlip groove, loads onto jump ring back-up ring at the jump-ring slot of solid of rotation 17, realizes fixing.Motor 14 is fixedly connected with body lower casing 15 by the motor fixing screw 18 of four M8 × 40mm.
Along with the increase of wind speed, when wind speed reaches more than 20 metre per second (m/s)s time, the program of control circuit board 16 can apply corresponding torsion to motor, fan blade resistance is increased thus causes gravity pendency empennage 1 automatically to realize deflection, thus lay down the load of part wind-force to fan blade 11, continue generating, avoid causing because wind speed is excessive fan blade 11 or body to damage.In addition, along with wind generating unit temperature of the present invention increases, when dynamo sheet temperature reaches setting value, wind generating unit automatic stopping of the present invention can be realized, until temperature works under dropping to natural temperature again, thus realize motor 14 and various electronic component in airtight space, damage can not be caused because temperature is too high.Wherein, the control circuit of control circuit board 16, motor 14 and aluminum alloy casing scribble heat-conducting silicone grease close contact, and shell is provided with radiating fin, thus fully dispels the heat, and ensures that organism safe is reliable in the environment of any harshness.
Embodiment two
As shown in Figure 3 and Figure 4, body upper casing 1 of the present invention and body lower casing 2 adopt waterstop port to design respectively, convex design or concave design is adopted in the position that body lower casing 2 is connected with body upper casing 1, body front cover 3 edge and body upper casing 1, body lower casing 2 front position are designed with depression or convex design respectively, sew up screw 4 by body afterwards together link together in body upper and lower shell, the assembling of body front cover, guarantee mutually to be buckled together edges close laminating, and realize waterproof.
Embodiment three
As shown in Figure 2 and Figure 5, gravity pendency empennage 1 of the present invention is by the fixed hole of empennage stationary axle 3 through body upper casing 5 end empennage, and then the fixed hole of the empennage 1 that dangles through gravity.The end of empennage stationary axle 3 is provided with screw thread, screws in body lower casing 15 tapped hole, and gravity pendency empennage 1 is fixed between body upper casing 5 and body lower casing 15 rear positions, achieves the function that gravity of the present invention pendency empennage 1 freely swings and automatically dangles.
The fixed end height of gravity pendency empennage 1 of the present invention is 35mm, and aperture is 10mm.
The length of empennage stationary axle 3 of the present invention is 54mm, and diameter is 10mm, and be wherein 44mm without reach, reach is 9.98mm.
Body of the present invention is sewed up screw 4 and is comprised four M8*35mm screws and two M8*20mm screws.
Motor fixing screw 18 of the present invention comprises four M8*40mm screws.
Embodiment four
As shown in Figure 6 and Figure 7; internal processes according to control circuit board 16 designs; specifically be divided into four independent control unit; under the state not occurring any limit value; wind generating unit normal power generation; without any protection act, when namely there is corresponding protection & restoration nominal operating condition under the following any one state of appearance, comprising:
(1) temperature protection;
Whether be greater than threshold limit value: if i.e. maximum temperature limit value 90 degrees centigrade. reach or exceed maximum temperature limit value, circuit program will enter brake and shut down unit, treats that sensor temperature is reduced to less than 60 degree, again recovers the work of wind generating unit;
(2) overvoltage protection;
Whether voltage is greater than limit value: be divided into 3 kinds of voltage models, limit value is respectively:
Voltage threshold limit value: 24 volts of systems, that is: 36V; 48 volts of systems, that is: 72V; 250 volts of systems, that is: 330V; If voltage exceedes corresponding voltage threshold limit value in corresponding system, control circuit program will enter superpressure brake protection, and brake time delay recovers normal work after 5 minutes again;
(3) power protection;
Whether power exceedes peak output limit value, and be divided into 3 kinds of power models, limit value is respectively: power threshold limit value: 24V and 48V system, that is: 2000 watts; 250V system, that is: 4000 watts; If power exceedes corresponding power threshold limit value in corresponding system, control circuit program will enter superpressure brake protection, and brake time delay recovers normal work after 5 minutes again.
(4) rotating speed protection;
Whether speed is greater than limit value, and be divided into rotating speed can be divided into 2 kinds of models, limit value is respectively: rotating speed threshold limit value: 24V and 48V system, that is: 1380 revs/min; 250V system, that is: 1280 revs/min, when reaching corresponding rotating speed, control circuit program will apply larger torsion to motor 14, the windward side of fan blade 11 is made to produce deflection, meanwhile gravity pendency empennage 1 under gravity can naturally-occurring driftage, and then lays down all wind-force of fan blade windward side 11, avoids fan blade 11 or motor 14 causes damage.
Claims (7)
1. a wind generating unit, it is characterized in that, described device comprises: gravity pendency empennage (1), control circuit board retaining screw (2), empennage stationary axle (3), body sews up screw (4), body upper casing (5), body front cover (6), body front cover retaining screw (7), fan blade set screw nut (8), wind impeller boss (9), wind impeller boss set screw nut (10), fan blade (11), fan blade retaining screw (12), cowling (13), motor (14), body lower casing (15), control circuit board (16), solid of rotation (17), motor fixing screw (18), gravity pendency empennage (1) comprises body upper casing (5) and body lower casing (15), and gravity pendency empennage (1) is connected by empennage stationary axle (3), empennage stationary axle (3) is through the middle open-work at body upper casing (5) rear portion, again through the mounting hole of gravity pendency empennage (1), the mounting hole of the middle empennage of empennage stationary axle (3) and body lower casing (15) rear portion is all provided with screw thread, tightens empennage stationary axle (3), control circuit board retaining screw (2) is through three open-works of circuit board, and three tapped holes above body lower casing (15) radiating fin are fixed, gravity pendency empennage (1) is fixed by empennage stationary axle (3) with body upper casing (5), body lower casing (15), body sews up screw (4) through body upper casing (5) left and right sides, rear portion open-work, is fixed on body lower casing (15) left and right sides, rear portion tapped hole, and tightens, body upper casing (5) and body lower casing (15) are respectively equipped with sealing bayonet socket, and body front cover (6) is fixed on the leading portion of body upper casing (5) and body lower casing (15), body front cover retaining screw (7) is fixed on the front position of body front cover (6), four retaining screws of body front cover retaining screw (7) are separately fixed at the front end fixed screw holes of organism top case (5) and the front end fixed screw holes of body lower casing (15), and tighten, fan blade set screw nut (8) is arranged on after wind impeller boss (9), and fan blade installs the installation of screw (12) one_to_one corresponding, motor (14) front end axle, through wind impeller boss (9) center hole, is fixedly connected with by wind impeller boss set screw nut (10), fan blade (11) is by the mounting hole of fan blade retaining screw (12) through fan blade (11) root, be connected with the fan blade set screw nut (8) after wind impeller boss through wind impeller boss (9) again, and tighten, fan blade installs screw (12) through fan blade (11) root mounting hole, then through wind impeller boss (9), is connected, and tightens with the fan blade set screw nut (8) after wind impeller boss (9), the cylindrical that cowling (13) inside is provided with draw-in groove and wind impeller boss (9) forms buckle structure, motor (14), by motor fixing screw (18), through motor (14) both sides mounting hole site, is fixed on four motors in the middle of body lower casing (15) and installs in tapped hole, and tighten, body lower casing (15), body upper casing (5), body front cover (6) are screwed stitching, control circuit board (16) is fixedly connected with three screw holes on body lower casing (15) radiating fin top by control circuit board retaining screw (2), bearing is provided with in the circular hole of body lower casing (15) below, after passback body (17) upper cylindrical position penetrates body lower casing (15) inner bearing, the cylindrical tip of solid of rotation (17) is provided with jump ring circlip groove, loads onto jump ring back-up ring at the jump-ring slot of solid of rotation (17), motor (14) is fixedly connected with body lower casing (15) by motor fixing screw (18).
2. a kind of wind generating unit according to claim 1, is characterized in that: described device adopts all aluminium alloy die casting to form, and comprises the motor (14) of device inside and the aluminum alloy heat radiation waterproof case of device outside.
3. a kind of wind generating unit according to claim 1, it is characterized in that: described gravity pendency empennage (1) is by the fixed hole of empennage stationary axle (3) through body upper casing (5) end empennage, and then the fixed hole of the empennage (1) that dangles through gravity.
4. a kind of wind generating unit according to claim 1, is characterized in that: the fixed end height of described gravity pendency empennage (1) is 35mm, and aperture is 10mm.
5. a kind of wind generating unit according to claim 1, is characterized in that: the length of described empennage stationary axle (3) is 54mm, and diameter is 10mm, and be wherein 44mm without reach, reach is 9.98mm.
6. a kind of wind generating unit according to claim 1, is characterized in that: described body is sewed up screw (4) and comprised four M8*35mm screws and two M8*20mm screws.
7. a kind of wind generating unit according to claim 1, is characterized in that: described motor fixing screw (18) comprises four M8*40mm screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617054.8U CN204386802U (en) | 2014-10-23 | 2014-10-23 | A kind of wind generating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617054.8U CN204386802U (en) | 2014-10-23 | 2014-10-23 | A kind of wind generating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204386802U true CN204386802U (en) | 2015-06-10 |
Family
ID=53359528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420617054.8U Withdrawn - After Issue CN204386802U (en) | 2014-10-23 | 2014-10-23 | A kind of wind generating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204386802U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314765A (en) * | 2014-10-23 | 2015-01-28 | 苏州源源机械设备有限公司 | Wind power generator |
| CN108999752A (en) * | 2018-08-17 | 2018-12-14 | 吉林省京能水处理技术有限公司 | A kind of wind power generation plant with lifting structure |
| CN109404214A (en) * | 2018-12-27 | 2019-03-01 | 象山宏强电气制造有限公司 | A kind of high speed rotation wind-driven generator that horizontal axis follows the wind |
-
2014
- 2014-10-23 CN CN201420617054.8U patent/CN204386802U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314765A (en) * | 2014-10-23 | 2015-01-28 | 苏州源源机械设备有限公司 | Wind power generator |
| CN108999752A (en) * | 2018-08-17 | 2018-12-14 | 吉林省京能水处理技术有限公司 | A kind of wind power generation plant with lifting structure |
| CN109404214A (en) * | 2018-12-27 | 2019-03-01 | 象山宏强电气制造有限公司 | A kind of high speed rotation wind-driven generator that horizontal axis follows the wind |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150610 Effective date of abandoning: 20170616 |